CN102418698A - Compressor having output adjustment assembly including piston actuation - Google Patents
Compressor having output adjustment assembly including piston actuation Download PDFInfo
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- CN102418698A CN102418698A CN 201110324010 CN201110324010A CN102418698A CN 102418698 A CN102418698 A CN 102418698A CN 201110324010 CN201110324010 CN 201110324010 CN 201110324010 A CN201110324010 A CN 201110324010A CN 102418698 A CN102418698 A CN 102418698A
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- passage
- variable volume
- capacity regulating
- chamber
- compressor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/008—Hermetic pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/10—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber
- F04C28/16—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber using lift valves
Abstract
A compressor may include a housing, first and second scroll members, and a compressor output adjustment assembly. The first scroll member may define a first chamber having first and second passages in communication therewith, a second chamber having third and fourth passages in communication therewith, and first and second apertures. The first and third passages may be in communication with a first pressure source and the second and fourth passages may be selectively in communication with a second pressure source. The compressor output adjustment assembly may include a first piston located in the first chamber and displaceable between first and second positions and a second piston located in the second chamber and displaceable between first and second positions. The first piston may isolate the first aperture from the first passage and the second piston may isolate the second aperture from the third passage when in their respective second positions.
Description
Patent application of the present invention be to the applying date be that May 29, application number in 2009 are 200980126965.2, denomination of invention divides an application for what the application for a patent for invention of " compressor with the output adjusting part that comprises plunger actuation " proposed.
The cross reference of related application
The application requires the U.S. Provisional Application No.61/057 of submission on May 30th, 2008,372 rights and interests.The whole disclosure of above-mentioned application is incorporated into this paper through reference.
Technical field
The present invention relates to compressor, relate more specifically to have the compressor of output adjusting part.
Background technique
This part provides the background information that relates to the disclosure of invention, and said background information must not be existing technology.
Scroll compressor comprises that multiple output adjusting part is to change the operation capacity of compressor.Said output adjusting part can comprise the fluid passage, and said fluid passage extends through scroll element and is communicated with the fluid between another pressure span that compression pocket chamber and compressor optionally are provided.
Summary of the invention
This part provides the general introduction of the disclosure of invention, and this part is not the open comprehensively of its four corner or its whole characteristics.
A kind of compressor, it can comprise housing, first scroll element, second scroll element and compressor output adjusting part.Said first scroll element can be supported in the said housing; And can comprise first end plate, the first spiral wound spare, first chamber, second chamber, first hole and second hole; The said first spiral wound spare extends from first side of said first end plate; Said first chamber is arranged on second side of said first end plate; And have the first passage and the second channel that are communicated with it, said second chamber is arranged on second side of said first end plate, and has third channel and the four-way that is communicated with it; Said first hole extends through said first end plate and is communicated with said first chamber, and said second hole extends through said first end plate and is communicated with said second chamber.Said first passage and third channel can with first pressure-source communication, said second channel and four-way can be optionally and second pressure-source communication.
Said second scroll element can be supported in the said housing and can comprise second end plate; Said second end plate has the second spiral wound spare, and the said second spiral wound spare meshes to form chamber, a series of cave from said second end plate extension and with the said first spiral wound spare.Said first hole can be communicated with the chamber, first cave with first pressure operation in the chamber, said cave so that being communicated with between chamber, said first cave and said first chamber to be provided, and said second hole can be communicated with the second cave chamber with second pressure operation different with chamber, said first cave in the chamber, said cave so that being communicated with between chamber, said second cave and said second chamber to be provided.
Said compressor output adjusting part can comprise the first piston and second piston.Said first piston can be arranged in said first chamber and can between the primary importance and the second place, move, and said second piston can be arranged in said second chamber and can between the primary importance and the second place, move.Said first piston can make when being positioned at its second place that said first hole and said first passage are isolated to be communicated with, and said second piston can make said second hole and said third channel completely cut off when being positioned at its second place to be communicated with.
When said second piston was positioned at its second place, said first piston was positioned at its second place.
Said compressor can additionally comprise valve assembly, and said valve assembly can be with the operation of first pattern and second pattern, and with said second pressure source and said second and four-way be communicated with.Said valve assembly can in the process of said first operator scheme, provide said second and four-way and said second pressure source between be communicated with.Said valve assembly can with the swabbing pressure regional connectivity of compressor; And can provide said second and four-way and said swabbing pressure zone between be communicated with, and can in the process of said second operator scheme, make said second and four-way be communicated with said second pressure source is isolated.Said second pressure source can comprise the discharge pressure zone of compressor.Said first scroll element can comprise and the discharge passage of said discharge pressure regional connectivity and the five-way road that is communicated with said discharge passage and said valve assembly.When said second channel and said second pressure-source communication, said first piston can be positioned at its second place.When said four-way and said second pressure-source communication, said second piston can be positioned at its second place.When said second channel and the isolation of said second pressure source, said first piston can be positioned at its primary importance.When the swabbing pressure regional connectivity of said second channel and said compressor, said first piston can be positioned at its primary importance.
Said compressor can also comprise floating seal, and said floating seal engages to form the 3rd chamber with said first scroll element.Said first and second chambers can axially be arranged between said the 3rd chamber and the chamber, said cave.Said the 3rd chamber can be communicated with said first and second chambers are isolated.
In said first and second pressure each can be the intermediate pressure between the operation pressure of the operation pressure in the swabbing pressure of said compressor zone and said second pressure source.Said first and second chambers can be spaced apart from each other rotationally.Said compressor output adjusting part comprises first biasing member and second biasing member; Said first biasing member engages with said first piston so that said first piston is biased to its primary importance, and said second biasing member engages so that said second piston is biased to its primary importance with said second piston.When said first piston is positioned at its primary importance and said second piston and is positioned at its primary importance, said first and second holes can with the swabbing pressure regional connectivity of said compressor.
Said compressor output adjusting part can comprise the steam injection system that is communicated with said first and third channel.When said first piston was positioned at its primary importance and said second piston and is positioned at its primary importance, said steam injection system can be communicated with said first and second holes.Said first piston can move axially between its first and second position, and said second piston can move axially between its first and second position.
The description that the others of applicability provide through this paper will become clearer.That description in this summary and concrete example are used for illustrative purpose but not be used for intending restriction scope disclosed by the invention.
Description of drawings
The accompanying drawing that hereinafter is described only for example purposes but not be used for limiting by any way the scope of the disclosure of invention.
Fig. 1 is the sectional view according to the compressor of the disclosure of invention;
Fig. 2 is the planimetric map of deciding scroll element of compressor shown in Figure 1;
Fig. 3 is first sectional view of deciding scroll element and compressor output adjusting part of compressor shown in Figure 1;
Fig. 4 is second sectional view of deciding scroll element and compressor output adjusting part shown in Figure 3;
Fig. 5 is a perspective view of deciding scroll element and compressor output adjusting part shown in Figure 3;
Fig. 6 is the 3rd sectional view of deciding scroll element and compressor output adjusting part shown in Figure 3;
Fig. 7 is the 4th sectional view of deciding scroll element and compressor output adjusting part shown in Figure 3;
Fig. 8 is the optional perspective view of deciding scroll element and compressor output adjusting part according to the disclosure of invention;
Fig. 9 is first sectional view of deciding scroll element and compressor output adjusting part shown in Figure 8;
Figure 10 is second sectional view of deciding scroll element and compressor output adjusting part shown in Figure 8;
Figure 11 is the 3rd sectional view of deciding scroll element and compressor output adjusting part shown in Figure 8;
Figure 12 is the 4th sectional view of deciding scroll element and compressor output adjusting part shown in Figure 8;
Figure 13 is the 5th sectional view of deciding scroll element and compressor output adjusting part shown in Figure 8;
Figure 14 is the 6th sectional view of deciding scroll element and compressor output adjusting part shown in Figure 8;
Figure 15 is a planimetric map of deciding scroll element shown in Figure 8;
Figure 16 is the schematic representation according to first vortex orientation of disclosure of the present invention;
Figure 17 is the schematic representation according to second vortex orientation of disclosure of the present invention;
Figure 18 is the schematic representation according to the 3rd vortex orientation of disclosure of the present invention;
Figure 19 is the schematic representation according to the 4th vortex orientation of disclosure of the present invention;
Figure 20 is optional first sectional view of deciding scroll element and compressor output adjusting part according to disclosure of the present invention; And
Figure 21 is second sectional view of deciding scroll element and compressor output adjusting part shown in Figure 20.
Embodiment
The description of hereinafter is merely exemplary in essence but not is used to limit open, application of the present invention or uses.Should be appreciated that corresponding reference number similar or corresponding parts of indication and characteristic in institute's drawings attached.
Instruction of the present invention is suitable for being combined in many dissimilar scroll compressors and the rotor compressor (comprising impervious machine, open drive motor and non-tight type motor).The purpose of property presented for purpose of illustration, compressor 10 is depicted as low-side fully-closed vortex refrigeration compressor, and promptly in this fully-closed vortex refrigeration compressor, by air-breathing cooling, vertical cross-section picture in picture as illustrated in fig. 1 shows in capsul for motor and compressor.
With reference to Fig. 1, compressor 10 can comprise capsul assembly 12, main bearing housing assembly 14, motor sub-assembly 16, compressing mechanism 18, black box 20, refrigeration agent outlet fitting 22, bleed valve assembly 24, air-breathing entering accessory 26 and adjusting part 27.Shell component 12 can hold main bearing housing assembly 14, motor sub-assembly 16 and compressing mechanism 18.
Main bearing housing assembly 14 can be sentenced any required mode (such as riveted joint) at a plurality of points and attach on the housing 28.Main bearing housing assembly 14 can comprise main bearing shell 52, arrange within it clutch shaft bearing 54, lining 55 and fastening piece 57.Main bearing shell 52 can comprise the central body portion 56 with a series of arms 58, and said arm 58 extends radially outwardly from said central body portion 56.Central body portion 56 can comprise first portion 60 and second portion 62, and said first portion 60 has the opening 64 that runs through it with second portion 62.Second portion 62 can hold clutch shaft bearing 54 within it.First portion 60 can limit the smooth thrust bearing surface 66 of annular on its axial end.Arm 58 can comprise hole 70, and said hole 70 is run through said arm 58 extensions and held fastening piece 57.
Refer again to Fig. 2-5 in addition, decide scroll element 106 and can comprise end plate 118, said end plate 118 has the spiral wound spare 120 on its lower surface, the discharge passage 119 that extends through said end plate 118 and a series of lip part that extends radially outwardly 121.Spiral wound spare 120 can form the engagement with the rolling piece 110 of moving scroll element 104, thereby forms chamber, a series of cave.Discuss like hereinafter, the chamber, cave that is formed by spiral wound spare 110,120 can change in the whole press cycles of compressing mechanism 18.
First group of port one 68,170 can extend through end plate 118, and can be communicated with the chamber, cave with the intermediate pressure operation.Port one 68 can extend in the first portion 152 of first chamber 145, and port one 70 can extend in the first portion 160 of second chamber 147.Another group port one 72,174 can extend through end plate 118, and can be communicated with the other chamber, cave with the intermediate pressure operation.Port one 72 can extend in first chamber 145, and port one 74 can extend in second chamber 147.In the operating process of compressor; Port one 68 can be arranged on being arranged to from the starting point (A) of rolling piece 120 radially inwardly at least 180 ° the chamber, a cave in the chamber, said cave, and port one 70 can be arranged on to be arranged to from the starting point (A) of rolling piece 120 radially inwardly at least 360 ° the chamber, a cave in the chamber, said cave.Port one 68 can radially inwardly be provided with respect to port one 72, and port one 70 can radially inwardly be provided with respect to port one 74.Port one 68,170 can limit the pondage of compressing mechanism 18 substantially.Port one 72,174 can form auxiliary port, is used for the time preventing in the swabbing pressure zone that port one 68,170,172 and 174 is exposed to compressor 10 compression in the chamber, port one 68,170 radially outer cave.
Adjusting part 27 can comprise valve assembly 176 and the first piston assembly 178 and second piston assembly 180.Valve assembly 176 can comprise solenoid valve, and said solenoid valve has housing 182, and said housing 182 has layout valve member 184 within it.Housing 182 can comprise first passage 186, second channel 188 and third channel 190.First passage 186 can with the swabbing pressure regional connectivity of compressor 10, second channel 188 can be communicated with second channel 154 and the four-ways 162 in the end plate 118, third channel 190 can be communicated with end plate 118 interior five-way roads 166.
Valve member 184 can move between the primary importance and the second place.At primary importance (Fig. 6), first passage 186 can communicate with each other with second channel 188 and keep apart with third channel 190, thereby makes second channel 154 and the swabbing pressure regional connectivity of four-way 162 and compressor 10 in the end plate 118.At the second place (Fig. 7), second channel 188 can communicate with each other with third channel 190 and keep apart with first passage 186, thereby makes second channel 154 and the discharge pressure regional connectivity of four-way 162 and compressor 10 in the end plate 118.
As shown in Figure 3, when piston 192,198 was positioned at the second place, piston 192 can make port one 68,172 and 150 isolated connections of first passage, and piston 198 can make 158 isolated connections of port one 70,174 and third channel.As shown in Figure 4; When piston 192,198 is positioned at primary importance; Piston 192 can move away from port one 68,172; Thereby being communicated with between port one 68,172 and the first passage 150 is provided, and piston 198 can be removed from port one 70,174, thereby being communicated with between port one 70,174 and the third channel 158 is provided.Therefore, when piston 192,198 was positioned at primary importance, port one 68,170,172,174 can be respectively and the swabbing pressure regional connectivity of compressor 10, thereby reduce the operation capacity of compressor 10.When piston 192,198 was positioned at primary importance, gas can flow to the swabbing pressure zone of compressor 10 from port one 68,170,172,174.In addition, when piston 192 was positioned at primary importance, gas can flow to port one 72 from port one 68, and when piston 198 was positioned at primary importance, gas can flow to port one 74 from port one 70.
Shown in Figure 20 and 21, in a kind of optional structure, in the output adjusting part of compressor, comprise steam injection system 700.Deciding scroll element 806 can be similar to substantially and decide scroll element 106.Therefore, the output adjusting part of deciding scroll element 806 and compressor except the difference that hereinafter is pointed out because identical with above-mentioned description and no longer at length describe.
With reference to Fig. 8 to 15, a kind of optional scroll element 306 of deciding can be incorporated in the compressor 10.Decide scroll element 306 and can comprise first member 307 and second member 309.First member 307 can use fastening piece 311 to be fixed on second member 309.First member 307 can comprise the first end plate portion 317, and comprises the annular notch 334 that is limited parallel coaxial sidewall 336,338 in the surface above that.Sidewall 336 can be used for discharge passage 339.The first end plate portion 317 can comprise the first and second discrete recesses 340,342 (Fig. 9 and 10) and the third and fourth discrete recess 344,346 (Figure 11 and 12).Hole 348 (shown in Figure 11 and 12) can extend through the first end plate portion 317 and enter in the annular notch 334.
The second end plate portion 318 can also comprise first and second discrete recess 341,343 (Fig. 9 and 10) and the central recess 349 (Figure 11 and 12), and said central recess 349 has the discharge passage 319 that passes it.When first member 307 and the assembling of second member 309 were decided scroll element 306 to form, first recess 340 in first member 307 can align to form first chamber 345 and second chamber 347 with second member, 309 interior first recess 341 and second recesses 343 with second recesses 342.First chamber 345 and second chamber 347 can be kept apart with annular notch 334.Hole 351 (shown in Figure 11 and 12) can extend through the second end plate portion 318; And can be communicated with the hole 348 in first member 307, thereby the pressure-biased of the pressure-biased that is used for black box 20 that is similar to the preceding text discussion substantially is provided for the floating seal assembly.
First passage 350 (shown in figure 13) can radially extend through the first end plate portion, 317 to first recesses 340 and second recess 342 from the outer surface of deciding scroll element 306.A pair of second channel 358 can radially extend through the second end plate portion 318 to the outer surface of deciding scroll element 306 from first recess 341, and a pair of third channel 362 can radially extend through the second end plate portion 318 to the outer surface of deciding scroll element 306 from second recess 343.Second channel 358 and third channel 362 can with the swabbing pressure regional connectivity.Four-way 366 (Figure 11 and 12) can radially extend through the first end plate portion 317 to the outer surface of deciding scroll element 306 from the discharge pressure zone.For example, four-way 366 can extend to the outer surface of deciding scroll element 306 from discharge passage 339.Discuss like hereinafter, first passage 350 and four-way 366 can be communicated with adjusting part 227.
The second end plate portion 318 can also comprise that first regulates port 368, second and regulate port the 370, the 3rd and regulate port the 371, the 4th and regulate port the 372, the 5th and regulate port 373 and the 6th and regulate port 374, and first variable volume than (VVR) port 406 and second variable volume than (VVR) port 408.The first adjusting port the 368, the 3rd regulates port 371 and the 5th adjusting port 373 can be communicated with first chamber 341, and second regulates port 370, the 4th adjusting port 372 and the 6th adjusting port 374 can be communicated with second chamber 343.First port 368 and second port 370 can limit the adjusting compressor capacity substantially.
Port 368,370 can be arranged on separately is arranged to starting point (A ') from rolling piece 320 radially inwardly at least 720 ° the chamber, a cave in the chamber, said cave.Port 368 can radially inwardly be provided with respect to port 371,373, and port 370 can radially inwardly be provided with respect to port 372,374.Because port 368,370 is along the bigger inside location of rolling piece 320; Therefore port 371,372,373,374 can form auxiliary port separately, is used for when port 368,370,371,372,373,374 is exposed to the swabbing pressure zone, preventing the compression in the chamber, port 368,370 radially outer cave.
The one VVR port 406 and the 2nd VVR port 408 can radially inwardly be provided with respect to port 368,370,371,372,373,374 and with respect to hole 351.The one VVR port 406 and the 2nd VVR port 408 can with the chamber, cave that forms by rolling piece 310,320 in one be communicated with (Figure 16 to 19), and be communicated with central recess 349.Therefore, a VVR port 406 and the 2nd VVR port 408 can be communicated with discharge passage 339.
Adjusting part 227 can comprise valve assembly 376 and the first piston assembly 378 and second piston assembly 380.Valve assembly 376 can comprise solenoid valve, and said solenoid valve has housing 382, and this housing 382 has layout valve member (not shown) within it.
First piston assembly 378 can be arranged in first chamber 345, and can comprise piston 392, Sealing 394 and biasing member 396.Second piston assembly 380 can be arranged in second chamber 347, and can comprise piston 398, Sealing 400 and biasing member 402.The first piston 392 and second piston 398 can move between the primary importance and the second place.More specifically, when valve assembly 376 provided outlet for recess 340,342, biasing member 396,402 can order about first piston 392 and second piston 398 gets into primary importance (Figure 10).Valve assembly 376 can optionally make recess 340,342 outlets lead to the swabbing pressure zone.In addition, valve assembly 376 can be communicated with first passage 350 and four-way 366.Valve assembly 376 can optionally provide the connection between first passage 350 and the discharge pressure zone through four-way 366.When valve assembly 376 provided the connection between first passage 350 and the discharge pressure zone, piston 392,398 can move to the second place (Fig. 9) through the discharge pressure that is provided by first passage 350.When piston 392 was positioned at the primary importance and the second place, Sealing 394 can prevent being communicated with between first passage 350 and the second channel 358.When piston 398 was positioned at the primary importance and the second place, Sealing 400 can prevent being communicated with between first passage 350 and the third channel 362.
As shown in Figure 9, when piston 392,398 was positioned at the second place, piston 392 can make port 368,371,373 and 358 isolated connections of second channel, and piston 398 can make port 370,372,374 and 362 isolated connections of third channel.Shown in figure 10; When piston 392,398 is positioned at primary importance; Piston 392 can be removed from port 368,371,373; Thereby being communicated with between port 368,371,373 and the second channel 358 is provided, and piston 398 can be removed from port 370,372,374, thereby being communicated with between port 370,372,374 and the third channel 362 is provided.Therefore, when piston 392,398 was positioned at primary importance, port 368,370,371,372,373,374 can be separately and the swabbing pressure regional connectivity, thereby reduced the operation capacity of compressor.In addition, when piston 392,398 is positioned at primary importance, in the port 368,370,371,372,373,374 one or more can with air-flow be provided in the port 368,370,371,372,373,374 with another of lower pressure operation.
Shown in Figure 11 and 12, VVR assembly 500 can optionally provide being communicated with between VVR port 406,408 and the discharge passage 339.VVR assembly 500 can comprise the first piston assembly 502 and second piston assembly 504.First piston assembly 502 can comprise piston 506 and biasing member 508 (such as spring).Second piston assembly 504 can comprise piston 510 and biasing member 512 (such as spring).Biasing member 508,512 can order about piston 506,510 and get into primary importance, and in said primary importance, piston 506,510 engages with the second end plate portion 318 with sealing VVR port 406,408.When the pressure from VVR port 406,408 surpasses predeterminated level; The power that is applied on the piston 506,510 by the gas in the VVR port 406,408 can surpass the power that is applied by biasing member 508,512; Piston 506,510 can move to the second place; In the said second place, VVR port 406,408 is communicated with discharge passage 339.
Shown in Figure 16 to 19, a part that illustrates compression cycle is to illustrate the operation of port 368,370,371,372,373,374 and VVR port 406,408.In Figure 16, moving scroll element 304 is illustrated as and is in primary importance, defines chamber, the first pondage cave 600,602 in said primary importance and limits.Chamber, the first pondage cave 600,602 can be defined as outermost radial outside compression pocket chamber substantially; Said outermost radial outside compression pocket chamber radially inwardly arranges with respect to port 368, and when beginning volume in chamber, the first adjusting cave 600,602 through discharge passage 319 dischargings from the moment that forms chamber, the first pondage cave 600,602 and port 368 keep apart.Therefore, the volume in the chamber, the first pondage cave 600,602 can be kept apart with port 368 in relative residual compression circuit process.The volume in chamber, the first pondage cave 600,602 can be maximum volume when moving scroll element 304 is positioned at primary importance, and can be compressed continuously up to discharging through discharge passage 319.
When moving scroll element 304 is positioned at primary importance; The spiral wound spare 310 of moving scroll element 304 can be located the outer radial face in abutting connection with spiral wound spare 320 in first location, and can be on the interior radially surface of the second location place relative substantially with first location in abutting connection with spiral wound spare 320.When moving scroll element 304 was positioned at primary importance, sense of rotation (R) the upper edge spiral wound spare 310 that port 368 can begin in first jiao of position corresponding to first location at live axle extended at least 20 °.When moving scroll element 304 was positioned at primary importance, port 368 can be by 310 sealings of spiral wound spare.When moving scroll element 304 was positioned at primary importance, the part of port 370 can be communicated with chamber, the first pondage cave 602.
In Figure 17, moving scroll element 304 is illustrated as and is in the second place, defines chamber, the second pondage cave 604,606 in the said second place.In the second place; Chamber, the second pondage cave 604,606 can be defined as outermost radial outside compression pocket chamber substantially; Said outermost radial outside compression pocket chamber radially inwardly is provided with respect to port 368,370, and driven scroll element 304 moment of being positioned at the second place when beginning volume up to chamber, the second pondage cave through discharge passage 319 dischargings with port 368,370 isolation.Chamber, the second pondage cave 604,606 can be corresponding to chamber, the first pondage cave 600,602 after the compression that is moved to second place generation by moving scroll element 304 from primary importance.For example, the compression from the primary importance to the second place can be corresponding to about 20 ° of drive shaft turns.
When moving scroll element 304 is positioned at the second place; The spiral wound spare 310 of moving scroll element 304 can be located the outer radial face in abutting connection with spiral wound spare 320 in the 3rd location, and can be on the interior radially surface of the four location place relative substantially with the 3rd location in abutting connection with spiral wound spare 320.When moving scroll element 304 was positioned at the second place, port 370 can begin in second jiao of position corresponding to the 4th location to extend at least 20 ° along spiral wound spare 310 on the contrary substantially with the sense of rotation (R) of live axle.When moving scroll element 304 was positioned at the second place, port 370 can be by 310 sealings of spiral wound spare.
Shown in Figure 16 and 17, each from the chamber, cave that chamber, the first and second pondage caves 600,602,604,606 is provided with radially outwardly can with port 368,370,371,372,373,374 at least one always is communicated with.
With reference to Figure 18 and 19, illustrate the VVR operation of VVR port 406,408.In Figure 18, moving scroll element 304 is illustrated as and is in the 3rd position that limits chamber, a VVR cave 608,610.Chamber, the one VVR cave 608,610 can be defined as radially chamber, inboard compression cave substantially; Said radially chamber, inboard compression cave is provided with respect to VVR port 406 radially outwardly, and from moment that compression cycle begins up to chamber, a VVR cave 608,610 when forming and VVR port 406 keep apart.Therefore, chamber, a VVR cave 608,610 can be communicated with VVR port 406 in the remainder process of compression cycle.The volume in chamber, the one VVR cave 608,610 can be maximum volume when moving scroll element 304 is positioned at the 3rd position, and can be compressed continuously up to discharging through discharge passage 319.
When moving scroll element 304 is positioned at the 3rd position; The spiral wound spare 310 of moving scroll element 304 can be located the outer radial face in abutting connection with spiral wound spare 320 in the 5th location, and can be on the interior radially surface of the six location place relative substantially with the 5th location in abutting connection with spiral wound spare 320.When moving scroll element 304 was positioned at the 3rd position, sense of rotation (R) the upper edge spiral wound spare 310 that VVR port 406 can begin in the position, angle corresponding to the 5th location at live axle extended at least 20 °.
In Figure 19, moving scroll element 304 is illustrated as and is in the 4th position that limits chamber, the 2nd VVR cave 612,614.In the 4th position; Chamber, the 2nd VVR cave 612,614 can be defined as radially chamber, inboard compression cave substantially; Said radially chamber, inboard compression cave arranges with respect to VVR port 408 radially outwardly, and from moment that compression cycle begins up to chamber, the 2nd VVR cave 612,614 when forming and VVR port 408 keep apart.Chamber, the 2nd VVR cave 612,614 can be corresponding to chamber, a VVR cave 608,610 after the compression that is moved to the generation of the 4th position by moving scroll element 304 from the 3rd position.For example, can be from the compression of four positions, the 3rd position to the corresponding to about 40 ° of drive shaft turns.When moving scroll element 304 was positioned at the 4th position, the part of VVR port 406 can be communicated with chamber, the 2nd VVR cave 612,614.
When moving scroll element 304 is positioned at the 4th position; The spiral wound spare 310 of moving scroll element 304 can be located the outer radial face in abutting connection with spiral wound spare 320 in the 7th location, and can be on the interior radially surface of the eight location place relative substantially with the 7th location in abutting connection with spiral wound spare 320.When moving scroll element 304 was positioned at the 4th position, VVR port 408 can begin extending at least 20 ° along spiral wound spare 310 on the contrary substantially with the sense of rotation (R) of live axle with corresponding corner location place, the 8th location.
Term " first ", " second " etc. are merely clear and use in whole specification, and are not used in the similar terms in the restriction claim.
Claims (33)
1. compressor, it comprises:
Housing;
First scroll element; Said first scroll element is arranged in the said housing; Said first scroll element has the first spiral wound spare that extends from it and comprises first header portion that is attached on second header portion, and said first header portion and said second header portion limit discharge passage;
Second scroll element, said second scroll element are arranged in the said housing and comprise the second spiral wound spare that engages with the said first spiral wound spare; And
Valve assembly, said valve assembly is bearing in from the radially outer position of said discharge passage by in said first header portion and said second header portion at least one.
2. compressor as claimed in claim 1 also comprises live axle, and said live axle engages with said second scroll element to drive said second scroll element and moves with respect to the track of said first scroll element.
3. compressor as claimed in claim 1 also comprises first Sealing, and said first Sealing engages with said housing and said first header portion and is arranged in the recess that is limited to said first header portion.
4. compressor as claimed in claim 3; Wherein, Said first header portion and said second header portion limit the biasing passage that extends through it, and said biasing passage provides being communicated with between said recess and the chamber, cave that is formed by said first spiral wound spare and the said second spiral wound spare.
5. compressor as claimed in claim 4 also comprises second Sealing, and said second Sealing is axially disposed between said first header portion and said second header portion and with said first header portion and said second header portion and engages.
6. compressor as claimed in claim 5, wherein, said second Sealing is around said biasing passage.
7. compressor as claimed in claim 1, wherein, said valve assembly is communicated with said discharge passage and forms variable volume and compares valve assembly.
8. compressor as claimed in claim 7; Wherein, Said second header portion limits first variable volume and compares passage; Said first variable volume is communicated with the chamber, first cave that is formed by said first spiral wound spare and the said second spiral wound spare than passage; Said variable volume comprises that than valve assembly first variable volume compares valve; Said first variable volume is placed on said first variable volume than on the passage and can between open position and closed position, move than valve, and said first variable volume provides the connection between said chamber, first cave and the said discharge passage than passage when said first variable volume is in said open position than valve, and said first variable volume is isolated than passage and said discharge passage when said first variable volume is in said closed position than valve.
9. compressor as claimed in claim 8; Wherein, Said second header portion limits second variable volume and compares passage; Said second variable volume is communicated with the chamber, second cave that is formed by said first spiral wound spare and the said second spiral wound spare than passage; Said variable volume comprises that than valve assembly second variable volume compares valve; Said second variable volume is placed on said second variable volume than on the passage and can between open position and closed position, be independent of said first variable volume and move than valve than valve; But said second valve becomes the volume ratio passage when said second variable volume is in said open position than valve the connection between said chamber, second cave and the said discharge passage is provided, said second variable volume is isolated than passage and said discharge passage when said second variable volume is in said closed position than valve.
10. compressor as claimed in claim 9; Wherein, Said second header portion limit comprise said first variable volume that is communicated with than valve with said first variable volume than a plurality of variable volumes of passage than passage, and the qualification of said second header portion comprises that said second variable volume that is communicated with than valve with said second variable volume compares passage than a plurality of variable volumes of passage.
11. compressor as claimed in claim 7; Also comprise the capacity regulating valve assembly, said capacity regulating valve assembly is bearing in from said variable volume than the radially outer position of valve assembly by in said first header portion and said second header portion at least one.
12. compressor as claimed in claim 1, wherein, the swabbing pressure regional connectivity of said valve assembly and said compressor and formation capacity regulating valve assembly.
13. compressor as claimed in claim 12; Wherein, Said second header portion limits the first capacity regulating passage; The said first capacity regulating passage is communicated with the chamber, first cave that is formed by said first spiral wound spare and the said second spiral wound spare; Said capacity regulating valve assembly comprises the first capacity regulating valve; The said first capacity regulating valve is placed on the said first capacity regulating passage and can between open position and closed position, moves, and the said first capacity regulating passage provides the connection between said chamber, first cave and the said swabbing pressure zone when the said first capacity regulating valve is in said open position, said first capacity regulating passage and said swabbing pressure zone isolation when the said first capacity regulating valve is in said closed position.
14. compressor as claimed in claim 13; Wherein, Said second header portion limits the second capacity regulating passage; The said second capacity regulating passage is communicated with the chamber, second cave that is formed by said first spiral wound spare and the said second spiral wound spare; Said capacity regulating valve assembly comprises the second capacity regulating valve; The said second capacity regulating valve is placed on the said second capacity regulating passage and can between open position and closed position, be independent of the said first capacity regulating valve and moves, and the said second capacity regulating passage provides the connection between said chamber, second cave and the said swabbing pressure zone when the said second capacity regulating valve is in said open position, said second capacity regulating passage and said swabbing pressure zone isolation when the said second capacity regulating valve is in said closed position.
15. a compressor, it comprises:
Housing;
First scroll element; Said first scroll element is arranged in the said housing; Said first scroll element has from it the first spiral wound spare that extends, comprises first header portion that is attached on second header portion and limit center-aisle that said first header portion and said second header portion limit discharge passage;
Second scroll element; Said second scroll element is bearing in the said housing; And comprise the second spiral wound spare, the said second spiral wound spare and chamber, discharging cave that the said first spiral wound spare engages and qualification is communicated with said discharge passage and the chamber, middle cave that is communicated with said center-aisle; And
Valve assembly, said valve assembly is communicated with said center-aisle.
16. compressor as claimed in claim 15 also comprises live axle, said live axle engages with said second scroll element to drive said second scroll element and moves with respect to the track of said first scroll element.
17. compressor as claimed in claim 15 also comprises first Sealing, said first Sealing engages with said housing and said first header portion and is arranged in the recess that is limited to said first header portion.
18. compressor as claimed in claim 17; Wherein, Said first header portion and said second header portion limit the biasing passage that extends through it, and said biasing passage provides being communicated with between said recess and the chamber, cave that is formed by said first spiral wound spare and the said second spiral wound spare.
19. compressor as claimed in claim 18 also comprises second Sealing, said second Sealing is axially disposed between said first header portion and said second header portion and with said first header portion and said second header portion and engages.
20. compressor as claimed in claim 19, wherein, said second Sealing is around said biasing passage.
21. compressor as claimed in claim 15, wherein, said valve assembly is communicated with said discharge passage and forms variable volume and compares valve assembly.
22. compressor as claimed in claim 21; Wherein, Said second header portion limits said center-aisle; Said center-aisle forms first variable volume and compares passage; Said first variable volume is communicated with the chamber, first cave that is formed by said first spiral wound spare and the said second spiral wound spare than passage; Said variable volume comprises that than valve assembly first variable volume compares valve; Said first variable volume is placed on said first variable volume than on the passage and can between open position and closed position, move than valve, and said first variable volume provides the connection between said chamber, first cave and the said discharge passage than passage when said first variable volume is in said open position than valve, and said first variable volume is isolated than passage and said discharge passage when said first variable volume is in said closed position than valve.
23. compressor as claimed in claim 22; Wherein, Said second header portion limits second variable volume and compares passage; Said second variable volume is communicated with the chamber, second cave that is formed by said first spiral wound spare and the said second spiral wound spare than passage; Said variable volume comprises that than valve assembly second variable volume compares valve; Said second variable volume is placed on said second variable volume than on the passage and can between open position and closed position, be independent of said first variable volume and move than valve than valve; But said second valve becomes the volume ratio passage when said second variable volume is in said open position than valve be provided being communicated with between chamber, said second cave and the said discharge passage, said second variable volume is than passage and the isolation of said discharge passage when said second variable volume is in said closed position than valve.
24. compressor as claimed in claim 23; Wherein, Said second header portion limit comprise said first variable volume that is communicated with than valve with said first variable volume than a plurality of variable volumes of passage than passage, and the qualification of said second header portion comprises that said second variable volume that is communicated with than valve with said second variable volume compares passage than a plurality of variable volumes of passage.
25. compressor as claimed in claim 21; Also comprise the capacity regulating valve assembly, said capacity regulating valve assembly is bearing in from said variable volume than the radially outer position of valve assembly by in said first header portion and said second header portion at least one.
26. compressor as claimed in claim 15, wherein, the swabbing pressure regional connectivity of said valve assembly and said compressor and formation capacity regulating valve assembly.
27. compressor as claimed in claim 26; Wherein, Said second header portion limits said center-aisle; Said center-aisle forms the first capacity regulating passage; The said first capacity regulating passage is communicated with the chamber, first cave that is formed by said first spiral wound spare and the said second spiral wound spare, and said capacity regulating valve assembly comprises the first capacity regulating valve, and the said first capacity regulating valve is placed on the said first capacity regulating passage and can between open position and closed position, moves; The said first capacity regulating passage provides and is communicated with said first capacity regulating passage and said swabbing pressure zone isolation when the said first capacity regulating valve is in said closed position between chamber, said first cave and the said swabbing pressure zone when the said first capacity regulating valve is in said open position.
28. compressor as claimed in claim 27; Wherein, Said second header portion limits the second capacity regulating passage; The said second capacity regulating passage is communicated with the chamber, second cave that is formed by said first spiral wound spare and the said second spiral wound spare; Said capacity regulating valve assembly comprises the second capacity regulating valve; The said second capacity regulating valve is placed on the said second capacity regulating passage and can between open position and closed position, be independent of the said first capacity regulating valve and moves, and the said second capacity regulating passage provides and is communicated with said second capacity regulating passage and said swabbing pressure zone isolation when the said second capacity regulating valve is in said closed position between chamber, said second cave and the said swabbing pressure zone when the said second capacity regulating valve is in said open position.
29. a compressor, it comprises:
Housing;
First scroll element; Said first scroll element is bearing in the said housing and comprises first end plate and the first spiral wound spare that extends from said first end plate, and said first end plate limits with the discharge passage of the discharge pressure regional connectivity of said compressor and limits first variable volume than the passage and the first capacity regulating passage;
Second scroll element; Said second scroll element is bearing in the said housing and comprises and engage with the said first spiral wound spare and form the second spiral wound spare in chamber, a series of cave, chamber, said a series of cave comprise with said first variable volume than the chamber, first cave of channel connection and with the chamber, second cave of the said first capacity regulating channel connection;
Variable volume is than valve assembly, said variable volume than valve assembly and said first variable volume than passage and said discharge pressure regional connectivity, so that being communicated with between chamber, said first cave and the said discharge pressure zone optionally to be provided; And
The capacity regulating valve assembly, the swabbing pressure regional connectivity of said capacity regulating valve assembly and said first capacity regulating passage and said compressor is optionally to provide being communicated with between chamber, said second cave and the said swabbing pressure zone.
30. compressor as claimed in claim 29; Also comprise Sealing; Said Sealing engages and limits biasing chamber with said first scroll element and said housing, and said first end plate limits the biasing passage that is communicated with said biasing chamber and the chamber, the 3rd cave that formed by said first scroll element and said second scroll element.
31. compressor as claimed in claim 30, wherein, said biasing passage is provided with radially outwardly than passage with respect to said first variable volume and radially inwardly is provided with respect to the said first capacity regulating passage.
32. compressor as claimed in claim 29; Wherein, Said first end plate limits second variable volume and compares passage; Said second variable volume is communicated with the chamber, the 3rd cave that is formed by said first scroll element and said second scroll element than passage; And said first end plate limits the second capacity regulating passage; The said second capacity regulating passage is communicated with the chamber, the 4th cave that is formed by said first scroll element and said second scroll element; Said variable volume comprises first variable volume that is communicated with between control chamber, said first cave and the said discharge pressure zone than valve be independent of said first variable volume and control second variable volume that is communicated with between chamber, said the 3rd cave and the said discharge pressure zone than valve than valve than valve assembly, and said capacity regulating valve assembly comprises the first capacity regulating valve that is communicated with between control chamber, said second cave and the said swabbing pressure zone and is independent of the said first capacity regulating valve controls the second capacity regulating valve that is communicated with between chamber, said the 4th cave and the said swabbing pressure zone.
33. compressor as claimed in claim 29 also comprises live axle, said live axle engages with said second scroll element to drive said second scroll element and moves with respect to the track of said first scroll element.
Applications Claiming Priority (2)
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US5737208P | 2008-05-30 | 2008-05-30 | |
US61/057,372 | 2008-05-30 |
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CN200980126965.2A Division CN102089525B (en) | 2008-05-30 | 2009-05-29 | Compressor having output adjustment assembly including piston actuation |
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CN102418698A true CN102418698A (en) | 2012-04-18 |
CN102418698B CN102418698B (en) | 2014-12-10 |
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CN201110324010.7A Active CN102418698B (en) | 2008-05-30 | 2009-05-29 | Compressor having output adjustment assembly including piston actuation |
CN200980126965.2A Active CN102089525B (en) | 2008-05-30 | 2009-05-29 | Compressor having output adjustment assembly including piston actuation |
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CN200980126965.2A Active CN102089525B (en) | 2008-05-30 | 2009-05-29 | Compressor having output adjustment assembly including piston actuation |
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US (3) | US7972125B2 (en) |
EP (1) | EP2307728B1 (en) |
KR (1) | KR101192649B1 (en) |
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-
2009
- 2009-05-29 CN CN201110324010.7A patent/CN102418698B/en active Active
- 2009-05-29 WO PCT/US2009/045647 patent/WO2009155099A2/en active Application Filing
- 2009-05-29 US US12/474,868 patent/US7972125B2/en active Active
- 2009-05-29 KR KR1020107028609A patent/KR101192649B1/en active IP Right Grant
- 2009-05-29 CN CN200980126965.2A patent/CN102089525B/en active Active
- 2009-05-29 EP EP09767410.5A patent/EP2307728B1/en active Active
-
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- 2011-06-21 US US13/165,306 patent/US8790098B2/en active Active
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Also Published As
Publication number | Publication date |
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CN102418698B (en) | 2014-12-10 |
EP2307728A4 (en) | 2015-07-22 |
KR101192649B1 (en) | 2012-10-19 |
US8790098B2 (en) | 2014-07-29 |
WO2009155099A3 (en) | 2010-03-25 |
CN102089525B (en) | 2013-08-07 |
CN102089525A (en) | 2011-06-08 |
WO2009155099A2 (en) | 2009-12-23 |
EP2307728A2 (en) | 2011-04-13 |
US20110250085A1 (en) | 2011-10-13 |
EP2307728B1 (en) | 2016-08-10 |
US20090297379A1 (en) | 2009-12-03 |
US7972125B2 (en) | 2011-07-05 |
US20140356211A1 (en) | 2014-12-04 |
KR20110009257A (en) | 2011-01-27 |
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